यदि a +b +c=1 तथा ab +bc +ca =1/3 हो तो a:b:c ह� – McqOptions

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1.	यदि a +b +c=1 तथा ab +bc +ca =1/3 हो तो a:b:c होगा ?
A.	1:2:4:6
B.	1:1:1
C.	4:5:7
D.	7:9:6
Answer» C. 4:5:7

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